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lemmy - Link to source

Tracking users with favicons, even in incognito mode

GitHub - jonasstrehle/supercookie: ⚠️ Browser fingerprinting via favicon!

⚠️ Browser fingerprinting via favicon! Contribute to jonasstrehle/supercookie development by creating an account on GitHub.
GitHub
#privacy
in reply to ☆ Yσɠƚԋσʂ ☆

nyankas
lemmy - Link to source
nyankas
• •

Note that this is an issue from 2021. Firefox has implemented countermeasures since version 85, Chrome seems to have done the same.

So while this is definitely interesting, it shouldn‘t be an issue anymore.

Firefox 85 Cracks Down on Supercookies - Mozilla Security Blog

Trackers and adtech companies have long abused browser features to follow people around the web. Since 2018, we have been dedicated to reducing the number of ways our users can ...
Steven Englehardt (Mozilla Security Blog)
in reply to nyankas

Ferk
lemmy - Link to source
Ferk
• •

Yep. I just confirmed it.. restarting Firefox seems to make the ID in demo.supercookie.me/ change.
Thought as long as you keep Firefox session open the id will be the same.

I'm not sure if the links you reference are the whole story though, because they are talking about partitioning the cache per top-level domain, which I would expect wouldn't have been enough, since the demo is specific to its top-level domain and it's not necessarily about cross-domain id.

supercookie • progress

demo.supercookie.me
This entry was edited (2 weeks ago)
in reply to Ferk

eldavi
lemmy - Link to source
eldavi
• •
Thought as long as you keep Firefox session open the id will be the same.


makes mental note to shutdown firefox on mobile more often.

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